Mainwaring Archive Foundation
Invitation OnlyNew York, New York · EIN 52-7106931 · Private foundation
Grants paid (2023)$4,801
Organizations funded2
Typical grant$33
Total assets$0
Half of its grants to organizations were between $33 and $4,768.
From the return
How to apply
On its return for tax year 2023 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside New York.
Grants paid in tax year 2023
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| American Philosophical Society | Philadelphia, PA | Charitable contribution | $4,768 |
| American Philosophical Society | Philadelphia, PA | Charitable contribution | $33 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2023 | $4,801 | 2 |
Sources
- IRS Form 990-PF, tax year 2023, filed May 3, 2024 - IRS e-file batch, object ID 202421249349100522
- IRS Tax Exempt Organization Search for EIN 52-7106931
- Profile updated Nov 8, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.